The Geometry Thickens: Square Stone Formation Detected at the Center of Avebury Stone Circle
In, Avebury, England is to be found the world’s largest prehistoric stone circle. But a new discovery shows it didn’t start off that way. A buried and hidden square stone formation has been detected at the center of the construction, a feature practically unknown in henges elsewhere. This adds a whole new angle (or four) to the history of the monument.